0.40x+0.30(140)=0.20(144)

Solution for 0.40x+0.30(140)=0.20(144) equation:

Simplifying
0.40x + 0.30(140) = 0.20(144)

Multiply 0.30 * 140
0.40x + 42 = 0.20(144)

Reorder the terms:
42 + 0.40x = 0.20(144)

Multiply 0.20 * 144
42 + 0.40x = 28.8

Solving
42 + 0.40x = 28.8

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + -42 + 0.40x = 28.8 + -42

Combine like terms: 42 + -42 = 0
0 + 0.40x = 28.8 + -42
0.40x = 28.8 + -42

Combine like terms: 28.8 + -42 = -13.2
0.40x = -13.2

Divide each side by '0.40'.
x = -33

Simplifying
x = -33